I can’t tell you that gold is a bad investment. Even after the recent plunge, if you bought gold in 2004, your investment would have earned you an annualized rate of about 10.4 percent, after accounting for inflation. That is darned impressive. If you bought in 1994, it would have earned about 3.9 percent per year -- not too shabby. Even if you bought all the way back in 1984, you would have earned 1.8 percent in real terms. (Of course, this assumes that shadowstats.com is wrong, and that inflation hasn’t been massively understated.)
In addition to delivering decent long-term returns, gold has been a way to spread or offset investment risk. As my co-blogger Yichuan Wang showed last year, gold’s return is somewhat negatively correlated with interest rates, so that a bet on gold is to some degree a bet on lower rates. This is actually the prediction of some old economic models, which also indicate that gold should have a positive rate of return over the long term. But a lot of the varia